Q. Dimensions of permeability are
A) $A^{- 2}M^{1}L^{1}T^{- 2}$
B) $MLT^{- 2}$
C) $ML^{0}T^{- 1}$
D) $A^{- 1}MLT^{2}$
Explanation
$F = \frac{\mu_{0}}{4\pi}\frac{2I_{1}I_{2}I}{r} \Rightarrow \mu_{0} = \lbrack F\rbrack\lbrack A\rbrack^{- 2} = \lbrack MLT^{- 2}A^{2}\rbrack$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.